/Engine/Source/Runtime/Media/Public/IMediaPlayer.h
Metadata may change over time. Its presence or change is reported by a MetadataChanged event.
virtual [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [TMap](API\Runtime\Core\Containers\TMap)< [FString](API\Runtime\Core\Containers\FString), [TArray](API\Runtime\Core\Containers\TArray)< [TUniquePtr](API\Runtime\Core\Templates\TUniquePtr)< [IMediaMetadataItem](API\Runtime\Media\IMediaMetadataItem) > > >, ESPMode::ThreadSafe > GetMediaMetadata() const